C2003 Electricity Plating
After a while, Cheng Jianping looked at Qin Luo and said slowly, "Qin Luo, I have to say you have a good idea. Gold can indeed make up for the lack of stability of materials. But have you ever thought about his strength? "
"Although gold is not the softest metal, it is not much softer than his metal..."
"Forgive me for being blunt